Add mapping for kubernetes.statefulset.replicas.ready (#1160)

Author: ChrsMark

packages/kubernetes/changelog.yml

@@ -1,4 +1,9 @@
 # newer versions go on top
+- version: "0.5.3"
+  changes:
+    - description: Add missing field "kubernetes.statefulset.replicas.ready"
+      type: enhancement
+      link: https://github.com/elastic/integrations/pull/1160
 - version: "0.5.2"
   changes:
     - description: Fix stack compatability

packages/kubernetes/data_stream/state_statefulset/fields/fields.yml

@@ -16,6 +16,11 @@
           type: long
           description: |
             The number of desired replicas per StatefulSet
+        - name: ready
+          type: long
+          description: >
+            The number of ready replicas per StatefulSet
+
     - name: generation
       type: group
       fields:

packages/kubernetes/docs/README.md

@@ -3437,6 +3437,7 @@ An example event for `state_statefulset` looks as following:
 | kubernetes.statefulset.name | Kubernetes statefulset name | keyword |
 | kubernetes.statefulset.replicas.desired | The number of desired replicas per StatefulSet | long |
 | kubernetes.statefulset.replicas.observed | The number of observed replicas per StatefulSet | long |
+| kubernetes.statefulset.replicas.ready | The number of ready replicas per StatefulSet | long |
 | service.address | Service address | keyword |
 | service.type | Service type | keyword |
 

packages/kubernetes/manifest.yml

@@ -1,7 +1,7 @@
 format_version: 1.0.0
 name: kubernetes
 title: Kubernetes
-version: 0.5.2
+version: 0.5.3
 license: basic
 description: Kubernetes Integration
 type: integration